Since the founding of Sin Ei International Co., Ltd., we have been endeavoring in sales of industrial instruments. Products covered differential pressure gauge, Differential Pressure Switch, Air pressure switch, Differential pressure transmitter, Pressure transmitter, Pressure switch, Liquid level transmitter, Flow transmitter, Air speed transmitter, Anemometer, Flow switch, Temperature Transmitter, Temp/ Humidity Transmitter Temperature sensing rod, Dew point gauge, Temperature switch, Humidity switch, Proximity switch, (capacitor, conductive, photoelectric, liquid level) switch, Power monitor (voltage, current, phase loss, counter phase,),Signal converter, Solid state relay, Digital controller, PID Display controller, --the product lines covered automatic control product of pressure, liquid level, flow, temperature, humidity, monitoring instrument and meters.) In the services for domestic customers, we provide stable, high quality products and reliable services to offer them worry-free support so that both customers and us are in win-win outcome. We believe in specialty in techniques and faithfulness in services and with the provision of reasonable prices and top-grade quality, sustainable operation will naturally the goal we will achieve.